Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from SE8803548Aexternal-prioritypatent/SE8803548L/xx
Priority claimed from SE8804265Aexternal-prioritypatent/SE8804265L/xx
Priority claimed from PCT/SE1989/000542external-prioritypatent/WO1990004138A1/en
Application filed by Sixten PerssonfiledCriticalSixten Persson
Publication of NO911331D0publicationCriticalpatent/NO911331D0/no
Publication of NO911331LpublicationCriticalpatent/NO911331L/no